[tex]5x - 2x + 6 = 6x
-3x = -6
x = -2 [/te]
ответ: х = -2
5x-2x-6=6x
3x-6=6x
3x-6x=6
-3x=6
x=6: (-3)
x=-2
[tex]5x - 2x + 6 = 6x
-3x = -6
x = -2 [/te]
ответ: х = -2
5x-2x-6=6x
3x-6=6x
3x-6x=6
-3x=6
x=6: (-3)
x=-2